<html>

<head>
    <title>定位 1</title>

    <style>
        body {
            width: 500px;
            height: auto;
        }
        p {
            background-color:rgb(207, 232, 220);
            border: 2px solid rgb(79, 185, 227);
            border-radius: 5px;
            padding: 10px 15px;
        }
        .positioned {
            position: relative;
            /* position: absolute; */
            background-color: rgba(255, 84, 104, 0.3);
            border-color: rgba(255, 84, 104);
            top: 30px;
            left: 30px;
        }
    </style>
</head>

<body>
    <h1>Positioning</h1>
    <p>I am a basic block level element</p>
    <p class="positioned">I am a basic block level element</p>
    <p>I am a basic block level element</p>
</body>

</html>